<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page,index) in pages" :key="index">
                <div class="icon" v-for="item in page" :key="item.id">
                    <div class="icon-img">
                        <img class="icon-img-content" :src="item.imgUrl"/>
                    </div>
                    <p class="icon-desc">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
    export default {
        name:'HomeIcons',
        props: {
            list: Array
        },
        data() {
            return {
                swiperOption:{
                    autoplay:false
                }
            }
        },
        computed:{ //把一维的数组拆分为二维数组  搞成两页显示图标
            pages () {
                const pages = []
                this.list.forEach((item,index) => {
                    const page = Math.floor(index / 8)
                    if(!pages[page]){
                        pages[page]=[]
                    }
                    pages[page].push(item)
                })
                return pages
            }
        }
    }
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
    @import '~styles/mixins.styl'
    .icons >>> .swiper-container
        height :0
        padding-bottom :50%
    .icon
        position :relative
        overflow: hidden
        float: left
        width :25%
        height :0
        padding-bottom :25%
        .icon-img
           position :absolute
           top:0
           left :0
           right :0
           bottom :.44rem 
           box-sizing :border-box
           padding :.1rem
           .icon-img-content
            display :block
            margin :0 auto
            height :100%
        .icon-desc
            position :absolute
            left : 0
            right :0
            bottom :0
            height :.44rem
            line-height :.44rem
            color:$darkTextColor
            text-align:center
            ellipsis()
</style>